// flex布局
@mixin flex($justify: flex-start, $align: flex-start, $direction: row, $wrap: nowrap) {
  display: flex;
  flex-direction: $direction;
  justify-content: $justify;
  align-items: $align;
  flex-wrap: $wrap;
}

$theme-color: #2F54EB;
$theme-bg-color: #FFF;
$theme-text-color: #222222;